About the Rainbird PFR12 12" Polyflex Riser
Rainbird PFR12 12 Polyflex Riser. The Rain Bird PFR12 is a 12" PolyFlex Drip Irrigation Riser for use with Xeri-Bubbler, Xeri-Spray, and 10-32 thread PC emitters, helping to raise them 12" above the ground, allowing them to water taller plant folliage.